CVE-2021-22719

C Bus Toolkit vulnerability

CVSS

8.8

EPSS

40.6%

EPSS pct

99th

Exploited

No known

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists in C-Bus Toolkit (V1.15.7 and prior) that could allow a remote code execution when a file is uploaded.

Affected vendor

Schneider Electric

Affected product

C Bus Toolkit

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-22 — Path Traversal

Published

2021-04-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 40.6% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2021-22719

Confirm whether Schneider Electric C Bus Toolkit is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2021-22719.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-22719

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